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install.php
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install.php
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<?php
/**
* Dokuwiki installation assistance
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/');
if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/');
if(!defined('DOKU_LOCAL')) define('DOKU_LOCAL',DOKU_INC.'conf/');
// check for error reporting override or set error reporting to sane values
if (!defined('DOKU_E_LEVEL')) { error_reporting(E_ALL ^ E_NOTICE); }
else { error_reporting(DOKU_E_LEVEL); }
// kill magic quotes
if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) {
if (!empty($_GET)) remove_magic_quotes($_GET);
if (!empty($_POST)) remove_magic_quotes($_POST);
if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE);
if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST);
@ini_set('magic_quotes_gpc', 0);
define('MAGIC_QUOTES_STRIPPED',1);
}
@set_magic_quotes_runtime(0);
@ini_set('magic_quotes_sybase',0);
// language strings
require_once(DOKU_INC.'inc/lang/en/lang.php');
$LC = preg_replace('/[^a-z\-]+/','',$_REQUEST['l']);
if(!$LC) $LC = 'en';
if($LC && $LC != 'en' ) {
require_once(DOKU_INC.'inc/lang/'.$LC.'/lang.php');
}
// initialise variables ...
$error = array();
$dokuwiki_hash = array(
'2005-09-22' => 'e33223e957b0b0a130d0520db08f8fb7',
'2006-03-05' => '51295727f79ab9af309a2fd9e0b61acc',
'2006-03-09' => '51295727f79ab9af309a2fd9e0b61acc',
'2006-11-06' => 'b3a8af76845977c2000d85d6990dd72b',
'2007-05-24' => 'd80f2740c84c4a6a791fd3c7a353536f',
'2007-06-26' => 'b3ca19c7a654823144119980be73cd77',
'2008-05-04' => '1e5c42eac3219d9e21927c39e3240aad',
'2009-02-14' => 'ec8c04210732a14fdfce0f7f6eead865',
'2009-12-25' => '993c4b2b385643efe5abf8e7010e11f4',
'2010-10-07rc' => '7921d48195f4db21b8ead6d9bea801b8'
);
// begin output
header('Content-Type: text/html; charset=utf-8');
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $LC?>"
lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title><?php echo $lang['i_installer']?></title>
<style type="text/css">
body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
img { border: none }
br.cl { clear:both; }
code { font-size: 110%; color: #800000; }
fieldset { border: none }
label { display: block; margin-top: 0.5em; }
select.text, input.text { width: 30em; margin: 0 0.5em; }
a {text-decoration: none}
</style>
<script type="text/javascript" language="javascript">
function acltoggle(){
var cb = document.getElementById('acl');
var fs = document.getElementById('acldep');
if(!cb || !fs) return;
if(cb.checked){
fs.style.display = '';
}else{
fs.style.display = 'none';
}
}
window.onload = function(){
acltoggle();
var cb = document.getElementById('acl');
if(cb) cb.onchange = acltoggle;
};
</script>
</head>
<body style="">
<h1 style="float:left">
<img src="lib/exe/fetch.php?media=wiki:dokuwiki-128.png&w=64"
style="vertical-align: middle;" alt="" />
<?php echo $lang['i_installer']?>
</h1>
<div style="float:right; margin: 1em;">
<?php langsel()?>
</div>
<br class="cl" />
<div style="float: right; width: 34%;">
<?php
if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
}else{
print "<div lang=\"en\" dir=\"ltr\">\n";
include(DOKU_INC.'inc/lang/en/install.html');
print "</div>\n";
}
?>
<a style="background: transparent url(data/security.png) left top no-repeat;
display: block; width:380px; height:73px; border:none; clear:both;"
target="_blank"
href="http://www.dokuwiki.org/security#web_access_security"></a>
</div>
<div style="float: left; width: 58%;">
<?php
if(! (check_functions() && check_permissions()) ){
echo '<p>'.$lang['i_problems'].'</p>';
print_errors();
print_retry();
}elseif(!check_configs()){
echo '<p>'.$lang['i_modified'].'</p>';
print_errors();
}elseif($_REQUEST['submit']){
if(!check_data($_REQUEST['d'])){
print_errors();
print_form($_REQUEST['d']);
}elseif(!store_data($_REQUEST['d'])){
echo '<p>'.$lang['i_failure'].'</p>';
print_errors();
}else{
echo '<p>'.$lang['i_success'].'</p>';
}
}else{
print_form($_REQUEST['d']);
}
?>
</div>
<div style="clear: both">
<a href="http://dokuwiki.org/"><img src="lib/tpl/default/images/button-dw.png" alt="driven by DokuWiki" /></a>
<a href="http://www.php.net"><img src="lib/tpl/default/images/button-php.gif" alt="powered by PHP" /></a>
</div>
</body>
</html>
<?php
/**
* Print the input form
*/
function print_form($d){
global $lang;
global $LC;
include(DOKU_CONF.'license.php');
if(!is_array($d)) $d = array();
$d = array_map('htmlspecialchars',$d);
if(!isset($d['acl'])) $d['acl']=1;
?>
<form action="" method="post">
<input type="hidden" name="l" value="<?php echo $LC ?>" />
<fieldset>
<label for="title"><?php echo $lang['i_wikiname']?>
<input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
</label>
<fieldset style="margin-top: 1em;">
<label for="acl">
<input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? 'checked="checked"' : ''));?> />
<?php echo $lang['i_enableacl']?></label>
<fieldset id="acldep">
<label for="superuser"><?php echo $lang['i_superuser']?></label>
<input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
<label for="fullname"><?php echo $lang['fullname']?></label>
<input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
<label for="email"><?php echo $lang['email']?></label>
<input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
<label for="password"><?php echo $lang['pass']?></label>
<input class="text" type="password" name="d[password]" id="password" />
<label for="confirm"><?php echo $lang['passchk']?></label>
<input class="text" type="password" name="d[confirm]" id="confirm" />
<label for="policy"><?php echo $lang['i_policy']?></label>
<select class="text" name="d[policy]" id="policy">
<option value="0" <?php echo ($d['policy'] == 0)?'selected="selected"':'' ?>><?php echo $lang['i_pol0']?></option>
<option value="1" <?php echo ($d['policy'] == 1)?'selected="selected"':'' ?>><?php echo $lang['i_pol1']?></option>
<option value="2" <?php echo ($d['policy'] == 2)?'selected="selected"':'' ?>><?php echo $lang['i_pol2']?></option>
</select>
</fieldset>
</fieldset>
<fieldset>
<p><?php echo $lang['i_license']?></p>
<?php
array_unshift($license,array('name' => 'None', 'url'=>''));
if(!isset($d['license'])) $d['license'] = 'cc-by-sa';
foreach($license as $key => $lic){
echo '<label for="lic_'.$key.'">';
echo '<input type="radio" name="d[license]" value="'.htmlspecialchars($key).'" id="lic_'.$key.'"'.
(($d['license'] == $key)?'checked="checked"':'').'>';
echo htmlspecialchars($lic['name']);
if($lic['url']) echo ' <a href="'.$lic['url'].'" target="_blank"><sup>[?]</sup></a>';
echo '</label>';
}
?>
</fieldset>
</fieldset>
<fieldset id="process">
<input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save']?>" />
</fieldset>
</form>
<?php
}
function print_retry() {
global $lang;
global $LC;
?>
<form action="" method="get">
<fieldset>
<input type="hidden" name="l" value="<?php echo $LC ?>" />
<input class="button" type="submit" value="<?php echo $lang['i_retry'];?>" />
</fieldset>
</form>
<?php
}
/**
* Check validity of data
*
* @author Andreas Gohr
*/
function check_data(&$d){
global $lang;
global $error;
//autolowercase the username
$d['superuser'] = strtolower($d['superuser']);
$ok = true;
// check input
if(empty($d['title'])){
$error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
$ok = false;
}
if($d['acl']){
if(!preg_match('/^[a-z0-9_]+$/',$d['superuser'])){
$error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
$ok = false;
}
if(empty($d['password'])){
$error[] = sprintf($lang['i_badval'],$lang['pass']);
$ok = false;
}
if($d['confirm'] != $d['password']){
$error[] = sprintf($lang['i_badval'],$lang['passchk']);
$ok = false;
}
if(empty($d['fullname']) || strstr($d['fullname'],':')){
$error[] = sprintf($lang['i_badval'],$lang['fullname']);
$ok = false;
}
if(empty($d['email']) || strstr($d['email'],':') || !strstr($d['email'],'@')){
$error[] = sprintf($lang['i_badval'],$lang['email']);
$ok = false;
}
}
return $ok;
}
/**
* Writes the data to the config files
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
function store_data($d){
global $LC;
$ok = true;
$d['policy'] = (int) $d['policy'];
// create local.php
$now = date('r');
$output = <<<EOT
<?php
/**
* Dokuwiki's Main Configuration File - Local Settings
* Auto-generated by install script
* Date: $now
*/
EOT;
$output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
$output .= '$conf[\'lang\'] = \''.addslashes($LC)."';\n";
$output .= '$conf[\'license\'] = \''.addslashes($d['license'])."';\n";
if($d['acl']){
$output .= '$conf[\'useacl\'] = 1'.";\n";
$output .= "\$conf['superuser'] = '@admin';\n";
}
$ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
if ($d['acl']) {
// create users.auth.php
// --- user:MD5password:Real Name:email:groups,comma,seperated
$output = join(":",array($d['superuser'], md5($d['password']), $d['fullname'], $d['email'], 'admin,user'));
$output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
$ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
// create acl.auth.php
$output = <<<EOT
# acl.auth.php
# <?php exit()?>
# Don't modify the lines above
#
# Access Control Lists
#
# Auto-generated by install script
# Date: $now
EOT;
if($d['policy'] == 2){
$output .= "* @ALL 0\n";
$output .= "* @user 8\n";
}elseif($d['policy'] == 1){
$output .= "* @ALL 1\n";
$output .= "* @user 8\n";
}else{
$output .= "* @ALL 8\n";
}
$ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
}
return $ok;
}
/**
* Write the given content to a file
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
function fileWrite($filename, $data) {
global $error;
global $lang;
if (($fp = @fopen($filename, 'wb')) === false) {
$filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
$error[] = sprintf($lang['i_writeerr'],$filename);
return false;
}
if (!empty($data)) { fwrite($fp, $data); }
fclose($fp);
return true;
}
/**
* check installation dependent local config files and tests for a known
* unmodified main config file
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
function check_configs(){
global $error;
global $lang;
global $dokuwiki_hash;
$ok = true;
$config_files = array(
'local' => DOKU_LOCAL.'local.php',
'users' => DOKU_LOCAL.'users.auth.php',
'auth' => DOKU_LOCAL.'acl.auth.php'
);
// main dokuwiki config file (conf/dokuwiki.php) must not have been modified
$installation_hash = md5(preg_replace("/(\015\012)|(\015)/","\012",
@file_get_contents(DOKU_CONF.'dokuwiki.php')));
if (!in_array($installation_hash, $dokuwiki_hash)) {
$error[] = sprintf($lang['i_badhash'],$installation_hash);
$ok = false;
}
// configs shouldn't exist
foreach ($config_files as $file) {
if (@file_exists($file)) {
$file = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
$error[] = sprintf($lang['i_confexists'],$file);
$ok = false;
}
}
return $ok;
}
/**
* Check other installation dir/file permission requirements
*
* @author Chris Smith <chris@jalakai.co.uk>
*/
function check_permissions(){
global $error;
global $lang;
$dirs = array(
'conf' => DOKU_LOCAL,
'data' => DOKU_INC.'data',
'pages' => DOKU_INC.'data/pages',
'attic' => DOKU_INC.'data/attic',
'media' => DOKU_INC.'data/media',
'meta' => DOKU_INC.'data/meta',
'cache' => DOKU_INC.'data/cache',
'locks' => DOKU_INC.'data/locks',
'index' => DOKU_INC.'data/index',
'tmp' => DOKU_INC.'data/tmp'
);
$ok = true;
foreach($dirs as $dir){
if(!@file_exists("$dir/.") || !@is_writable($dir)){
$dir = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}', $dir);
$error[] = sprintf($lang['i_permfail'],$dir);
$ok = false;
}
}
return $ok;
}
/**
* Check the availability of functions used in DokuWiki and the PHP version
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function check_functions(){
global $error;
global $lang;
$ok = true;
if(version_compare(phpversion(),'5.1.2','<')){
$error[] = sprintf($lang['i_phpver'],phpversion(),'5.1.2');
$ok = false;
}
$funcs = explode(' ','addslashes basename call_user_func chmod copy fgets '.
'file file_exists fseek flush filesize ftell fopen '.
'glob header ignore_user_abort ini_get mail mkdir '.
'ob_start opendir parse_ini_file readfile realpath '.
'rename rmdir serialize session_start unlink usleep '.
'preg_replace file_get_contents htmlspecialchars_decode');
if (!function_exists('mb_substr')) {
$funcs[] = 'utf8_encode';
$funcs[] = 'utf8_decode';
}
foreach($funcs as $func){
if(!function_exists($func)){
$error[] = sprintf($lang['i_funcna'],$func);
$ok = false;
}
}
return $ok;
}
/**
* Print language selection
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function langsel(){
global $lang;
global $LC;
$dir = DOKU_INC.'inc/lang';
$dh = opendir($dir);
if(!$dh) return;
$langs = array();
while (($file = readdir($dh)) !== false) {
if(preg_match('/^[\._]/',$file)) continue;
if(is_dir($dir.'/'.$file) && @file_exists($dir.'/'.$file.'/lang.php')){
$langs[] = $file;
}
}
closedir($dh);
sort($langs);
echo '<form action="">';
echo $lang['i_chooselang'];
echo ': <select name="l" onchange="submit()">';
foreach($langs as $l){
$sel = ($l == $LC) ? 'selected="selected"' : '';
echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
}
echo '</select> ';
echo '<input type="submit" value="'.$lang['btn_update'].'" />';
echo '</form>';
}
/**
* Print global error array
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function print_errors(){
global $error;
echo '<ul>';
foreach ($error as $err){
echo "<li>$err</li>";
}
echo '</ul>';
}
/**
* remove magic quotes recursivly
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function remove_magic_quotes(&$array) {
foreach (array_keys($array) as $key) {
if (is_array($array[$key])) {
remove_magic_quotes($array[$key]);
}else {
$array[$key] = stripslashes($array[$key]);
}
}
}